Capacitive keyboard with non-locking reduced keying ambiguity | Patent Number 09024790
US 09024790 B2Filled DateJan 10, 2012
Priority DateJul 12, 2002
Publication DateMay 3, 2012
Expiration DateMay 5, 2023
Inventor/ApplicantsHarald Philipp
ExaminesWONG, ALBERT KANG
Art Unit3649
Technology Center3600
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